Bump hashicorp/azuread from 3.0.2 to 3.1.0 in /infra (#6)

Bumps [hashicorp/azuread](https://github.com/hashicorp/terraform-provider-azuread) from 3.0.2 to 3.1.0.
- [Release notes](https://github.com/hashicorp/terraform-provider-azuread/releases)
- [Changelog](https://github.com/hashicorp/terraform-provider-azuread/blob/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-azuread@v3.0.2...v3.1.0)

---
updated-dependencies:
- dependency-name: hashicorp/azuread
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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